From service in Vietnam to the New York Stock Exchange, Marsh has had an extensive military, business and civic career. He has worked for some of the most powerful companies in banking, and, completing his banking career, Marsh served as the chairman and CEO of State Street Bank and Trust Company, Boston, and of its holding company, State Street Corporation. During his nine years as CEO, the company grew more than six fold. In 1998, Marsh and the bank were awarded the Gartner Groups Excellence in Technology Award for application of technology for business value and business return.

After retiring from State Street, Marsh served as Chair of the Board of Directors of the New York Stock Exchange from 2003 to 2013. He also regularly lectures on leadership and management to graduate students at the Sloan School of Management at MIT, Babson College, and the Naval War College and Harvard’s Kennedy School of Government.

Marsh is a graduate of West Point and Naval Postgraduate School (MS, Operations Research)